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发明名称
APPAREIL SERVANT A FACILITER LES OPERATIONS DES MULTIPLICATIONS ET DES DIVISIONS D'APRES UNE METHODE SIMPLIFIEE DE MULTIPLICATION ET DE DIVISION.
摘要
申请公布号
BE555967(A1)
申请公布日期
1960.02.26
申请号
BE19570555967
申请日期
1957.03.20
申请人
M.J. VERMAND
发明人
M.J. VERMAND
分类号
(IPC1-7):G06C
主分类号
(IPC1-7):G06C
代理机构
代理人
主权项
地址
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